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crosvm/disk/src
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Daniel Verkamp d5aa995423 disk: use seek to determine file length 
Add a new disk-specific DiskGetLen trait which uses io::Seek instead of
File::metadata() to determine the length so that it works on raw block
devices (e.g. /dev/sda) as well as regular files.

BUG=b:146811529
TEST=`crosvm run --disk /dev/sda` and verify block device length

Change-Id: I6936863490efaa479a3c8745c75c373748c800a1
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1990855
Reviewed-by: Zach Reizner <zachr@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Tested-by: Trent Begin <tbegin@chromium.org>
Commit-Queue: Daniel Verkamp <dverkamp@chromium.org>
2020-01-13 21:16:29 +00:00
..
qcow disk: use seek to determine file length 2020-01-13 21:16:29 +00:00
composite.rs disk: use seek to determine file length 2020-01-13 21:16:29 +00:00
disk.rs disk: use seek to determine file length 2020-01-13 21:16:29 +00:00